OBJECTIVE: To evaluate the relationship between spino-pelvic preoperative, intraoperative, and postoperative parameters and the influence of surgical positioning with these values. METHODS: This retrospective study evaluates radiographs pre-, intra-and postoperative patients who underwent arthrodesis of the lumbosacral spine. RESULTS: Of the 16 patients evaluated a decreased sacral slope between the pre-and postoperative was observed, with a direct influence on the values of lumbar lordosis, with a consequent angular reduction. CONCLUSION: There is a variation in sacral inclination as a function of position on the operating table, mainly between the pre-and intraoperative position, during fusion surgery of the lumbosacral spine, and the sacral slope is directly responsible for the change in lumbar lordosis.
Arthrodesis; Spine; Lordosis; Pelvis; Patient positioning
